/root/bitcoin/src/kernel/mempool_limits.h
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1 | | // Copyright (c) 2022 The Bitcoin Core developers |
2 | | // Distributed under the MIT software license, see the accompanying |
3 | | // file COPYING or http://www.opensource.org/licenses/mit-license.php. |
4 | | #ifndef BITCOIN_KERNEL_MEMPOOL_LIMITS_H |
5 | | #define BITCOIN_KERNEL_MEMPOOL_LIMITS_H |
6 | | |
7 | | #include <policy/policy.h> |
8 | | |
9 | | #include <cstdint> |
10 | | |
11 | | namespace kernel { |
12 | | /** |
13 | | * Options struct containing limit options for a CTxMemPool. Default constructor |
14 | | * populates the struct with sane default values which can be modified. |
15 | | * |
16 | | * Most of the time, this struct should be referenced as CTxMemPool::Limits. |
17 | | */ |
18 | | struct MemPoolLimits { |
19 | | //! The maximum allowed number of transactions in a package including the entry and its ancestors. |
20 | | int64_t ancestor_count{DEFAULT_ANCESTOR_LIMIT}; |
21 | | //! The maximum allowed size in virtual bytes of an entry and its ancestors within a package. |
22 | | int64_t ancestor_size_vbytes{DEFAULT_ANCESTOR_SIZE_LIMIT_KVB * 1'000}; |
23 | | //! The maximum allowed number of transactions in a package including the entry and its descendants. |
24 | | int64_t descendant_count{DEFAULT_DESCENDANT_LIMIT}; |
25 | | //! The maximum allowed size in virtual bytes of an entry and its descendants within a package. |
26 | | int64_t descendant_size_vbytes{DEFAULT_DESCENDANT_SIZE_LIMIT_KVB * 1'000}; |
27 | | |
28 | | /** |
29 | | * @return MemPoolLimits with all the limits set to the maximum |
30 | | */ |
31 | | static constexpr MemPoolLimits NoLimits() |
32 | 0 | { |
33 | 0 | int64_t no_limit{std::numeric_limits<int64_t>::max()}; |
34 | 0 | return {no_limit, no_limit, no_limit, no_limit}; |
35 | 0 | } |
36 | | }; |
37 | | } // namespace kernel |
38 | | |
39 | | #endif // BITCOIN_KERNEL_MEMPOOL_LIMITS_H |